Mascara brush



FIG. 1 is a front view of the mascara brush;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a sectional view taken along 7—7 line in FIG. 5;

FIG. 8 is a sectional view taken along 7—7 line in FIG. 5 showing the mascara brush inserted in a container; and,

FIG. 9 is a perspective view thereof.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a mascara brush, as shown and described. 